enhanced_bookmarks_features.cc revision 5f1c94371a64b3196d4be9466099bb892df9b88e
1a3f6a49ab37290eeeb8db0f41ec0f1cb74a68be7Torne (Richard Coles)// Copyright 2013 The Chromium Authors. All rights reserved. 2a3f6a49ab37290eeeb8db0f41ec0f1cb74a68be7Torne (Richard Coles)// Use of this source code is governed by a BSD-style license that can be 3a3f6a49ab37290eeeb8db0f41ec0f1cb74a68be7Torne (Richard Coles)// found in the LICENSE file. 4a3f6a49ab37290eeeb8db0f41ec0f1cb74a68be7Torne (Richard Coles) 5a3f6a49ab37290eeeb8db0f41ec0f1cb74a68be7Torne (Richard Coles)#include "chrome/browser/bookmarks/enhanced_bookmarks_features.h" 6a3f6a49ab37290eeeb8db0f41ec0f1cb74a68be7Torne (Richard Coles) 7a3f6a49ab37290eeeb8db0f41ec0f1cb74a68be7Torne (Richard Coles)#include "base/command_line.h" 8cedac228d2dd51db4b79ea1e72c7f249408ee061Torne (Richard Coles)#include "base/metrics/histogram.h" 9a1401311d1ab56c4ed0a474bd38c108f75cb0cd9Torne (Richard Coles)#include "base/prefs/pref_service.h" 10a1401311d1ab56c4ed0a474bd38c108f75cb0cd9Torne (Richard Coles)#include "base/prefs/scoped_user_pref_update.h" 115d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles)#include "base/sha1.h" 125d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles)#include "base/strings/string_number_conversions.h" 13a3f6a49ab37290eeeb8db0f41ec0f1cb74a68be7Torne (Richard Coles)#include "chrome/common/chrome_switches.h" 14a1401311d1ab56c4ed0a474bd38c108f75cb0cd9Torne (Richard Coles)#include "chrome/common/pref_names.h" 15cedac228d2dd51db4b79ea1e72c7f249408ee061Torne (Richard Coles)#include "components/sync_driver/pref_names.h" 16a3f6a49ab37290eeeb8db0f41ec0f1cb74a68be7Torne (Richard Coles)#include "components/variations/variations_associated_data.h" 17a3f6a49ab37290eeeb8db0f41ec0f1cb74a68be7Torne (Richard Coles)#include "extensions/common/features/feature.h" 18a3f6a49ab37290eeeb8db0f41ec0f1cb74a68be7Torne (Richard Coles)#include "extensions/common/features/feature_provider.h" 19a3f6a49ab37290eeeb8db0f41ec0f1cb74a68be7Torne (Richard Coles) 205d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles)namespace { 215d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles) 22a3f6a49ab37290eeeb8db0f41ec0f1cb74a68be7Torne (Richard Coles)const char kFieldTrialName[] = "EnhancedBookmarks"; 23a3f6a49ab37290eeeb8db0f41ec0f1cb74a68be7Torne (Richard Coles) 24cedac228d2dd51db4b79ea1e72c7f249408ee061Torne (Richard Coles)// Get extension id from Finch EnhancedBookmarks group parameters. 25cedac228d2dd51db4b79ea1e72c7f249408ee061Torne (Richard Coles)std::string GetEnhancedBookmarksExtensionIdFromFinch() { 265f1c94371a64b3196d4be9466099bb892df9b88eTorne (Richard Coles) return variations::GetVariationParamValue(kFieldTrialName, "id"); 27cedac228d2dd51db4b79ea1e72c7f249408ee061Torne (Richard Coles)} 28cedac228d2dd51db4b79ea1e72c7f249408ee061Torne (Richard Coles) 29cedac228d2dd51db4b79ea1e72c7f249408ee061Torne (Richard Coles)// Returns true if enhanced bookmarks experiment is enabled from Finch. 30cedac228d2dd51db4b79ea1e72c7f249408ee061Torne (Richard Coles)bool IsEnhancedBookmarksExperimentEnabledFromFinch() { 31cedac228d2dd51db4b79ea1e72c7f249408ee061Torne (Richard Coles) std::string ext_id = GetEnhancedBookmarksExtensionIdFromFinch(); 32cedac228d2dd51db4b79ea1e72c7f249408ee061Torne (Richard Coles) const extensions::FeatureProvider* feature_provider = 33cedac228d2dd51db4b79ea1e72c7f249408ee061Torne (Richard Coles) extensions::FeatureProvider::GetPermissionFeatures(); 34cedac228d2dd51db4b79ea1e72c7f249408ee061Torne (Richard Coles) extensions::Feature* feature = feature_provider->GetFeature("metricsPrivate"); 35cedac228d2dd51db4b79ea1e72c7f249408ee061Torne (Richard Coles) return feature && feature->IsIdInWhitelist(ext_id); 36cedac228d2dd51db4b79ea1e72c7f249408ee061Torne (Richard Coles)} 37cedac228d2dd51db4b79ea1e72c7f249408ee061Torne (Richard Coles) 385d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles)}; // namespace 395d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles) 40cedac228d2dd51db4b79ea1e72c7f249408ee061Torne (Richard Coles)bool GetBookmarksExperimentExtensionID(const PrefService* user_prefs, 41cedac228d2dd51db4b79ea1e72c7f249408ee061Torne (Richard Coles) std::string* extension_id) { 42cedac228d2dd51db4b79ea1e72c7f249408ee061Torne (Richard Coles) BookmarksExperimentState bookmarks_experiment_state = 43cedac228d2dd51db4b79ea1e72c7f249408ee061Torne (Richard Coles) static_cast<BookmarksExperimentState>(user_prefs->GetInteger( 44cedac228d2dd51db4b79ea1e72c7f249408ee061Torne (Richard Coles) sync_driver::prefs::kEnhancedBookmarksExperimentEnabled)); 4546d4c2bc3267f3f028f39e7e311b0f89aba2e4fdTorne (Richard Coles) if (bookmarks_experiment_state == BOOKMARKS_EXPERIMENT_ENABLED_FROM_FINCH) { 46cedac228d2dd51db4b79ea1e72c7f249408ee061Torne (Richard Coles) *extension_id = GetEnhancedBookmarksExtensionIdFromFinch(); 47cedac228d2dd51db4b79ea1e72c7f249408ee061Torne (Richard Coles) return !extension_id->empty(); 48cedac228d2dd51db4b79ea1e72c7f249408ee061Torne (Richard Coles) } 4946d4c2bc3267f3f028f39e7e311b0f89aba2e4fdTorne (Richard Coles) if (bookmarks_experiment_state == BOOKMARKS_EXPERIMENT_ENABLED) { 50cedac228d2dd51db4b79ea1e72c7f249408ee061Torne (Richard Coles) *extension_id = user_prefs->GetString( 51cedac228d2dd51db4b79ea1e72c7f249408ee061Torne (Richard Coles) sync_driver::prefs::kEnhancedBookmarksExtensionId); 52cedac228d2dd51db4b79ea1e72c7f249408ee061Torne (Richard Coles) return !extension_id->empty(); 53cedac228d2dd51db4b79ea1e72c7f249408ee061Torne (Richard Coles) } 54cedac228d2dd51db4b79ea1e72c7f249408ee061Torne (Richard Coles) 55cedac228d2dd51db4b79ea1e72c7f249408ee061Torne (Richard Coles) return false; 56cedac228d2dd51db4b79ea1e72c7f249408ee061Torne (Richard Coles)} 57cedac228d2dd51db4b79ea1e72c7f249408ee061Torne (Richard Coles) 58cedac228d2dd51db4b79ea1e72c7f249408ee061Torne (Richard Coles)void UpdateBookmarksExperimentState( 59cedac228d2dd51db4b79ea1e72c7f249408ee061Torne (Richard Coles) PrefService* user_prefs, 60a1401311d1ab56c4ed0a474bd38c108f75cb0cd9Torne (Richard Coles) PrefService* local_state, 61cedac228d2dd51db4b79ea1e72c7f249408ee061Torne (Richard Coles) bool user_signed_in, 62cedac228d2dd51db4b79ea1e72c7f249408ee061Torne (Richard Coles) BookmarksExperimentState experiment_enabled_from_sync) { 63cedac228d2dd51db4b79ea1e72c7f249408ee061Torne (Richard Coles) PrefService* flags_storage = local_state; 64cedac228d2dd51db4b79ea1e72c7f249408ee061Torne (Richard Coles)#if defined(OS_CHROMEOS) 65cedac228d2dd51db4b79ea1e72c7f249408ee061Torne (Richard Coles) // Chrome OS is using user prefs for flags storage. 66cedac228d2dd51db4b79ea1e72c7f249408ee061Torne (Richard Coles) flags_storage = user_prefs; 67cedac228d2dd51db4b79ea1e72c7f249408ee061Torne (Richard Coles)#endif 68cedac228d2dd51db4b79ea1e72c7f249408ee061Torne (Richard Coles) 69cedac228d2dd51db4b79ea1e72c7f249408ee061Torne (Richard Coles) BookmarksExperimentState bookmarks_experiment_state_before = 70cedac228d2dd51db4b79ea1e72c7f249408ee061Torne (Richard Coles) static_cast<BookmarksExperimentState>(user_prefs->GetInteger( 71cedac228d2dd51db4b79ea1e72c7f249408ee061Torne (Richard Coles) sync_driver::prefs::kEnhancedBookmarksExperimentEnabled)); 72cedac228d2dd51db4b79ea1e72c7f249408ee061Torne (Richard Coles) // If user signed out, clear possible previous state. 73cedac228d2dd51db4b79ea1e72c7f249408ee061Torne (Richard Coles) if (!user_signed_in) { 7446d4c2bc3267f3f028f39e7e311b0f89aba2e4fdTorne (Richard Coles) bookmarks_experiment_state_before = BOOKMARKS_EXPERIMENT_NONE; 7546d4c2bc3267f3f028f39e7e311b0f89aba2e4fdTorne (Richard Coles) ForceFinchBookmarkExperimentIfNeeded(flags_storage, 7646d4c2bc3267f3f028f39e7e311b0f89aba2e4fdTorne (Richard Coles) BOOKMARKS_EXPERIMENT_NONE); 77cedac228d2dd51db4b79ea1e72c7f249408ee061Torne (Richard Coles) } 78cedac228d2dd51db4b79ea1e72c7f249408ee061Torne (Richard Coles) 79cedac228d2dd51db4b79ea1e72c7f249408ee061Torne (Richard Coles) // kEnhancedBookmarksExperiment flag could have values "", "1" and "0". 80cedac228d2dd51db4b79ea1e72c7f249408ee061Torne (Richard Coles) // "0" - user opted out. 81cedac228d2dd51db4b79ea1e72c7f249408ee061Torne (Richard Coles) bool opt_out = CommandLine::ForCurrentProcess()->GetSwitchValueASCII( 82cedac228d2dd51db4b79ea1e72c7f249408ee061Torne (Richard Coles) switches::kEnhancedBookmarksExperiment) == "0"; 83cedac228d2dd51db4b79ea1e72c7f249408ee061Torne (Richard Coles) 84cedac228d2dd51db4b79ea1e72c7f249408ee061Torne (Richard Coles) BookmarksExperimentState bookmarks_experiment_new_state = 8546d4c2bc3267f3f028f39e7e311b0f89aba2e4fdTorne (Richard Coles) BOOKMARKS_EXPERIMENT_NONE; 86cedac228d2dd51db4b79ea1e72c7f249408ee061Torne (Richard Coles) 87cedac228d2dd51db4b79ea1e72c7f249408ee061Torne (Richard Coles) if (IsEnhancedBookmarksExperimentEnabledFromFinch() && !user_signed_in) { 88cedac228d2dd51db4b79ea1e72c7f249408ee061Torne (Richard Coles) if (opt_out) { 89cedac228d2dd51db4b79ea1e72c7f249408ee061Torne (Richard Coles) // Experiment enabled but user opted out. 9046d4c2bc3267f3f028f39e7e311b0f89aba2e4fdTorne (Richard Coles) bookmarks_experiment_new_state = BOOKMARKS_EXPERIMENT_OPT_OUT_FROM_FINCH; 91cedac228d2dd51db4b79ea1e72c7f249408ee061Torne (Richard Coles) } else { 92cedac228d2dd51db4b79ea1e72c7f249408ee061Torne (Richard Coles) // Experiment enabled. 9346d4c2bc3267f3f028f39e7e311b0f89aba2e4fdTorne (Richard Coles) bookmarks_experiment_new_state = BOOKMARKS_EXPERIMENT_ENABLED_FROM_FINCH; 94cedac228d2dd51db4b79ea1e72c7f249408ee061Torne (Richard Coles) } 9546d4c2bc3267f3f028f39e7e311b0f89aba2e4fdTorne (Richard Coles) } else if (experiment_enabled_from_sync == BOOKMARKS_EXPERIMENT_ENABLED) { 96cedac228d2dd51db4b79ea1e72c7f249408ee061Torne (Richard Coles) // Experiment enabled from Chrome sync. 97cedac228d2dd51db4b79ea1e72c7f249408ee061Torne (Richard Coles) if (opt_out) { 98cedac228d2dd51db4b79ea1e72c7f249408ee061Torne (Richard Coles) // Experiment enabled but user opted out. 9946d4c2bc3267f3f028f39e7e311b0f89aba2e4fdTorne (Richard Coles) bookmarks_experiment_new_state = 10046d4c2bc3267f3f028f39e7e311b0f89aba2e4fdTorne (Richard Coles) BOOKMARKS_EXPERIMENT_ENABLED_USER_OPT_OUT; 101cedac228d2dd51db4b79ea1e72c7f249408ee061Torne (Richard Coles) } else { 102cedac228d2dd51db4b79ea1e72c7f249408ee061Torne (Richard Coles) // Experiment enabled. 10346d4c2bc3267f3f028f39e7e311b0f89aba2e4fdTorne (Richard Coles) bookmarks_experiment_new_state = BOOKMARKS_EXPERIMENT_ENABLED; 104cedac228d2dd51db4b79ea1e72c7f249408ee061Torne (Richard Coles) } 10546d4c2bc3267f3f028f39e7e311b0f89aba2e4fdTorne (Richard Coles) } else if (experiment_enabled_from_sync == BOOKMARKS_EXPERIMENT_NONE) { 106cedac228d2dd51db4b79ea1e72c7f249408ee061Torne (Richard Coles) // Experiment is not enabled from Chrome sync. 10746d4c2bc3267f3f028f39e7e311b0f89aba2e4fdTorne (Richard Coles) bookmarks_experiment_new_state = BOOKMARKS_EXPERIMENT_NONE; 10846d4c2bc3267f3f028f39e7e311b0f89aba2e4fdTorne (Richard Coles) } else if (bookmarks_experiment_state_before == 10946d4c2bc3267f3f028f39e7e311b0f89aba2e4fdTorne (Richard Coles) BOOKMARKS_EXPERIMENT_ENABLED) { 110cedac228d2dd51db4b79ea1e72c7f249408ee061Torne (Richard Coles) if (opt_out) { 111cedac228d2dd51db4b79ea1e72c7f249408ee061Torne (Richard Coles) // Experiment enabled but user opted out. 11246d4c2bc3267f3f028f39e7e311b0f89aba2e4fdTorne (Richard Coles) bookmarks_experiment_new_state = 11346d4c2bc3267f3f028f39e7e311b0f89aba2e4fdTorne (Richard Coles) BOOKMARKS_EXPERIMENT_ENABLED_USER_OPT_OUT; 114cedac228d2dd51db4b79ea1e72c7f249408ee061Torne (Richard Coles) } else { 11546d4c2bc3267f3f028f39e7e311b0f89aba2e4fdTorne (Richard Coles) bookmarks_experiment_new_state = BOOKMARKS_EXPERIMENT_ENABLED; 116cedac228d2dd51db4b79ea1e72c7f249408ee061Torne (Richard Coles) } 117cedac228d2dd51db4b79ea1e72c7f249408ee061Torne (Richard Coles) } else if (bookmarks_experiment_state_before == 11846d4c2bc3267f3f028f39e7e311b0f89aba2e4fdTorne (Richard Coles) BOOKMARKS_EXPERIMENT_ENABLED_USER_OPT_OUT) { 119cedac228d2dd51db4b79ea1e72c7f249408ee061Torne (Richard Coles) if (opt_out) { 12046d4c2bc3267f3f028f39e7e311b0f89aba2e4fdTorne (Richard Coles) bookmarks_experiment_new_state = 12146d4c2bc3267f3f028f39e7e311b0f89aba2e4fdTorne (Richard Coles) BOOKMARKS_EXPERIMENT_ENABLED_USER_OPT_OUT; 122cedac228d2dd51db4b79ea1e72c7f249408ee061Torne (Richard Coles) } else { 123cedac228d2dd51db4b79ea1e72c7f249408ee061Torne (Richard Coles) // User opted in again. 12446d4c2bc3267f3f028f39e7e311b0f89aba2e4fdTorne (Richard Coles) bookmarks_experiment_new_state = BOOKMARKS_EXPERIMENT_ENABLED; 125cedac228d2dd51db4b79ea1e72c7f249408ee061Torne (Richard Coles) } 126cedac228d2dd51db4b79ea1e72c7f249408ee061Torne (Richard Coles) } 127cedac228d2dd51db4b79ea1e72c7f249408ee061Torne (Richard Coles) 128cedac228d2dd51db4b79ea1e72c7f249408ee061Torne (Richard Coles) UMA_HISTOGRAM_ENUMERATION("EnhancedBookmarks.SyncExperimentState", 129cedac228d2dd51db4b79ea1e72c7f249408ee061Torne (Richard Coles) bookmarks_experiment_new_state, 13046d4c2bc3267f3f028f39e7e311b0f89aba2e4fdTorne (Richard Coles) BOOKMARKS_EXPERIMENT_ENUM_SIZE); 131cedac228d2dd51db4b79ea1e72c7f249408ee061Torne (Richard Coles) user_prefs->SetInteger( 132cedac228d2dd51db4b79ea1e72c7f249408ee061Torne (Richard Coles) sync_driver::prefs::kEnhancedBookmarksExperimentEnabled, 133cedac228d2dd51db4b79ea1e72c7f249408ee061Torne (Richard Coles) bookmarks_experiment_new_state); 134cedac228d2dd51db4b79ea1e72c7f249408ee061Torne (Richard Coles) ForceFinchBookmarkExperimentIfNeeded(flags_storage, 135cedac228d2dd51db4b79ea1e72c7f249408ee061Torne (Richard Coles) bookmarks_experiment_new_state); 136cedac228d2dd51db4b79ea1e72c7f249408ee061Torne (Richard Coles)} 137cedac228d2dd51db4b79ea1e72c7f249408ee061Torne (Richard Coles) 138cedac228d2dd51db4b79ea1e72c7f249408ee061Torne (Richard Coles)void ForceFinchBookmarkExperimentIfNeeded( 139cedac228d2dd51db4b79ea1e72c7f249408ee061Torne (Richard Coles) PrefService* flags_storage, 140a1401311d1ab56c4ed0a474bd38c108f75cb0cd9Torne (Richard Coles) BookmarksExperimentState bookmarks_experiment_state) { 141cedac228d2dd51db4b79ea1e72c7f249408ee061Torne (Richard Coles) if (!flags_storage) 142cedac228d2dd51db4b79ea1e72c7f249408ee061Torne (Richard Coles) return; 143cedac228d2dd51db4b79ea1e72c7f249408ee061Torne (Richard Coles) ListPrefUpdate update(flags_storage, prefs::kEnabledLabsExperiments); 144a1401311d1ab56c4ed0a474bd38c108f75cb0cd9Torne (Richard Coles) base::ListValue* experiments_list = update.Get(); 145cedac228d2dd51db4b79ea1e72c7f249408ee061Torne (Richard Coles) if (!experiments_list) 146cedac228d2dd51db4b79ea1e72c7f249408ee061Torne (Richard Coles) return; 147a1401311d1ab56c4ed0a474bd38c108f75cb0cd9Torne (Richard Coles) size_t index; 14846d4c2bc3267f3f028f39e7e311b0f89aba2e4fdTorne (Richard Coles) if (bookmarks_experiment_state == BOOKMARKS_EXPERIMENT_NONE) { 149a1401311d1ab56c4ed0a474bd38c108f75cb0cd9Torne (Richard Coles) experiments_list->Remove( 150a1401311d1ab56c4ed0a474bd38c108f75cb0cd9Torne (Richard Coles) base::StringValue(switches::kManualEnhancedBookmarks), &index); 151a1401311d1ab56c4ed0a474bd38c108f75cb0cd9Torne (Richard Coles) experiments_list->Remove( 152a1401311d1ab56c4ed0a474bd38c108f75cb0cd9Torne (Richard Coles) base::StringValue(switches::kManualEnhancedBookmarksOptout), &index); 15346d4c2bc3267f3f028f39e7e311b0f89aba2e4fdTorne (Richard Coles) } else if (bookmarks_experiment_state == BOOKMARKS_EXPERIMENT_ENABLED) { 154a1401311d1ab56c4ed0a474bd38c108f75cb0cd9Torne (Richard Coles) experiments_list->Remove( 155a1401311d1ab56c4ed0a474bd38c108f75cb0cd9Torne (Richard Coles) base::StringValue(switches::kManualEnhancedBookmarksOptout), &index); 156a1401311d1ab56c4ed0a474bd38c108f75cb0cd9Torne (Richard Coles) experiments_list->AppendIfNotPresent( 157a1401311d1ab56c4ed0a474bd38c108f75cb0cd9Torne (Richard Coles) new base::StringValue(switches::kManualEnhancedBookmarks)); 158a1401311d1ab56c4ed0a474bd38c108f75cb0cd9Torne (Richard Coles) } else if (bookmarks_experiment_state == 15946d4c2bc3267f3f028f39e7e311b0f89aba2e4fdTorne (Richard Coles) BOOKMARKS_EXPERIMENT_ENABLED_USER_OPT_OUT) { 160a1401311d1ab56c4ed0a474bd38c108f75cb0cd9Torne (Richard Coles) experiments_list->Remove( 161a1401311d1ab56c4ed0a474bd38c108f75cb0cd9Torne (Richard Coles) base::StringValue(switches::kManualEnhancedBookmarks), &index); 162a1401311d1ab56c4ed0a474bd38c108f75cb0cd9Torne (Richard Coles) experiments_list->AppendIfNotPresent( 163a1401311d1ab56c4ed0a474bd38c108f75cb0cd9Torne (Richard Coles) new base::StringValue(switches::kManualEnhancedBookmarksOptout)); 164a1401311d1ab56c4ed0a474bd38c108f75cb0cd9Torne (Richard Coles) } 1655d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles)} 1665d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles) 167a3f6a49ab37290eeeb8db0f41ec0f1cb74a68be7Torne (Richard Coles)bool IsEnhancedBookmarksExperimentEnabled() { 168a1401311d1ab56c4ed0a474bd38c108f75cb0cd9Torne (Richard Coles) CommandLine* command_line = CommandLine::ForCurrentProcess(); 169a1401311d1ab56c4ed0a474bd38c108f75cb0cd9Torne (Richard Coles) if (command_line->HasSwitch(switches::kManualEnhancedBookmarks) || 170a1401311d1ab56c4ed0a474bd38c108f75cb0cd9Torne (Richard Coles) command_line->HasSwitch(switches::kManualEnhancedBookmarksOptout)) { 171a1401311d1ab56c4ed0a474bd38c108f75cb0cd9Torne (Richard Coles) return true; 172a1401311d1ab56c4ed0a474bd38c108f75cb0cd9Torne (Richard Coles) } 173a1401311d1ab56c4ed0a474bd38c108f75cb0cd9Torne (Richard Coles) 174cedac228d2dd51db4b79ea1e72c7f249408ee061Torne (Richard Coles) return IsEnhancedBookmarksExperimentEnabledFromFinch(); 175a3f6a49ab37290eeeb8db0f41ec0f1cb74a68be7Torne (Richard Coles)} 176a3f6a49ab37290eeeb8db0f41ec0f1cb74a68be7Torne (Richard Coles) 17746d4c2bc3267f3f028f39e7e311b0f89aba2e4fdTorne (Richard Coles)#if defined(OS_ANDROID) 17846d4c2bc3267f3f028f39e7e311b0f89aba2e4fdTorne (Richard Coles)bool IsEnhancedBookmarkImageFetchingEnabled() { 17946d4c2bc3267f3f028f39e7e311b0f89aba2e4fdTorne (Richard Coles) if (IsEnhancedBookmarksExperimentEnabled()) 18046d4c2bc3267f3f028f39e7e311b0f89aba2e4fdTorne (Richard Coles) return true; 18146d4c2bc3267f3f028f39e7e311b0f89aba2e4fdTorne (Richard Coles) 18246d4c2bc3267f3f028f39e7e311b0f89aba2e4fdTorne (Richard Coles) // Salient images are collected from visited bookmarked pages even if the 18346d4c2bc3267f3f028f39e7e311b0f89aba2e4fdTorne (Richard Coles) // enhanced bookmark feature is turned off. This is to have some images 18446d4c2bc3267f3f028f39e7e311b0f89aba2e4fdTorne (Richard Coles) // available so that in the future, when the feature is turned on, the user 18546d4c2bc3267f3f028f39e7e311b0f89aba2e4fdTorne (Richard Coles) // experience is not a big list of flat colors. However as a precautionary 18646d4c2bc3267f3f028f39e7e311b0f89aba2e4fdTorne (Richard Coles) // measure it is possible to disable this collection of images from finch. 1875f1c94371a64b3196d4be9466099bb892df9b88eTorne (Richard Coles) std::string disable_fetching = variations::GetVariationParamValue( 18846d4c2bc3267f3f028f39e7e311b0f89aba2e4fdTorne (Richard Coles) kFieldTrialName, "DisableImagesFetching"); 18946d4c2bc3267f3f028f39e7e311b0f89aba2e4fdTorne (Richard Coles) return disable_fetching.empty(); 19046d4c2bc3267f3f028f39e7e311b0f89aba2e4fdTorne (Richard Coles)} 19146d4c2bc3267f3f028f39e7e311b0f89aba2e4fdTorne (Richard Coles)#endif 19246d4c2bc3267f3f028f39e7e311b0f89aba2e4fdTorne (Richard Coles) 193a3f6a49ab37290eeeb8db0f41ec0f1cb74a68be7Torne (Richard Coles)bool IsEnableDomDistillerSet() { 194a3f6a49ab37290eeeb8db0f41ec0f1cb74a68be7Torne (Richard Coles) if (CommandLine::ForCurrentProcess()-> 195a3f6a49ab37290eeeb8db0f41ec0f1cb74a68be7Torne (Richard Coles) HasSwitch(switches::kEnableDomDistiller)) { 196a3f6a49ab37290eeeb8db0f41ec0f1cb74a68be7Torne (Richard Coles) return true; 197a3f6a49ab37290eeeb8db0f41ec0f1cb74a68be7Torne (Richard Coles) } 1985f1c94371a64b3196d4be9466099bb892df9b88eTorne (Richard Coles) if (variations::GetVariationParamValue( 199a3f6a49ab37290eeeb8db0f41ec0f1cb74a68be7Torne (Richard Coles) kFieldTrialName, "enable-dom-distiller") == "1") 200a3f6a49ab37290eeeb8db0f41ec0f1cb74a68be7Torne (Richard Coles) return true; 201a3f6a49ab37290eeeb8db0f41ec0f1cb74a68be7Torne (Richard Coles) 202a3f6a49ab37290eeeb8db0f41ec0f1cb74a68be7Torne (Richard Coles) return false; 203a3f6a49ab37290eeeb8db0f41ec0f1cb74a68be7Torne (Richard Coles)} 204a3f6a49ab37290eeeb8db0f41ec0f1cb74a68be7Torne (Richard Coles) 205a3f6a49ab37290eeeb8db0f41ec0f1cb74a68be7Torne (Richard Coles)bool IsEnableSyncArticlesSet() { 206a3f6a49ab37290eeeb8db0f41ec0f1cb74a68be7Torne (Richard Coles) if (CommandLine::ForCurrentProcess()-> 207a3f6a49ab37290eeeb8db0f41ec0f1cb74a68be7Torne (Richard Coles) HasSwitch(switches::kEnableSyncArticles)) { 208a3f6a49ab37290eeeb8db0f41ec0f1cb74a68be7Torne (Richard Coles) return true; 209a3f6a49ab37290eeeb8db0f41ec0f1cb74a68be7Torne (Richard Coles) } 2105f1c94371a64b3196d4be9466099bb892df9b88eTorne (Richard Coles) if (variations::GetVariationParamValue( 211a3f6a49ab37290eeeb8db0f41ec0f1cb74a68be7Torne (Richard Coles) kFieldTrialName, "enable-sync-articles") == "1") 212a3f6a49ab37290eeeb8db0f41ec0f1cb74a68be7Torne (Richard Coles) return true; 213a3f6a49ab37290eeeb8db0f41ec0f1cb74a68be7Torne (Richard Coles) 214a3f6a49ab37290eeeb8db0f41ec0f1cb74a68be7Torne (Richard Coles) return false; 215a3f6a49ab37290eeeb8db0f41ec0f1cb74a68be7Torne (Richard Coles)} 216